Home / 43,187.59-59,565-28,085.14

Finding the Fourth Proportional to 43,187.59, 59,565 and 28,085.14

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Solution

The fourth proportional to 43,187.59, 59,565 and 28,085.14 is: 38,735.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,187.59 : 59,565 = 28,085.14 : x
  2. Step 2: Convert to fraction form
    43,187.59/59,565 = 28,085.14/x
  3. Step 3: Cross multiply
    43,187.59x = 59,565 × 28,085.14
  4. Step 4: Simplify right side
    43,187.59x = 1,672,891,364.10
  5. Step 5: Solve for x
    x = 1,672,891,364.10/43,187.59
  6. Step 6: Final answer
    x = 38,735.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.